Surge Arrester Cabinet

Surge Arrester Cabinet Application range: These series are applied to equipotential bonding of the low voltage main or distribution boxes in the building, providing protection against the overvoltage arising from the lightning strike to power supply or faulty operation.(option from standard IEC61643-1 and GB50343).Main Feature: Convenient wiring standard connection components;Build-in temperature control and circuit breaking technology, high security performance;Green light in notice window indicates normal, red indicates broken, replacement notice, which are clear and easy distinguished;Function of lightning count capable of storage and display of lightning frequency;Display status of normal on and off;Totally-enclosed metal shell good shielding effectiveness free maintenance. Main technical data: TypeLDY-20CLDY-40BSuffix/Y3C/Y5C/Y3C/Y5CNominal operating voltage Un V220380220380Max. continuous operating voltage Uc V385385Voltage protection level Up kV<1.8<2.0Nominal discharge current In (8/20μs) kA2040Max. discharge current Imax (8/20μs) kA4080Backup protective breaker40A/2P40A/4P63A/2P63A/4PProtection modes2P3P+N2P3P+NResponse time tA< 25 nsHousing materialAluminum alloyStarting current≥400ACounting range0-99Leakage current 75% Uc 1mA≤ 20 μACross-section≥ 10 mm2 stranded/flexible conductor